The origin of this nickname date back to 1934 when von Brauchitsch prepared for the maiden Mercedes race on the Nürburgring circuit. Discovering that the vehicle surpassed the regulation 1653 pounds, the driver and racing manager decided to strip off the original white paint, exposing the silver aluminum surface.

The two color rule was initiated in July 1986, stating that one side of the racket rubber must be red and the other side black. This measure was introduced because of the increased use of "combination" rackets, notably during a European championship game when the winner had used a racket whose sides were both red.

The sports brands Adidas and Pumas were created by two brothers, Adolf and Rudolf Dassler, co-owners of a shoe factory. Following a disagreement in 1948 they founded their respective enterprises: Adolf with Adidas (Adi was his nickname and Das for Dassler) and Puma for Rudolf.

Poor oral hygiene is a major contributor to cavities. Surprisingly enough it may also have other consequences for athletes, such as tendinitis. In the case of cavities, fragments of germ membrane pass through the blood and irritate the tendons.

Planes aboard aircraft carriers do not take off due solely to their propulsion power, as the length of the deck may be too short. Steam-powered catapults assist planes in reaching the speed necessary to take off.

Given North Korea’s strict prohibitions on leaving the country, the government hired Chinese supporters to take the place of their country’s fans. It has been said that these fans/actors received airline tickets as payment for their presence and support of the national team.

The Dead Sea is situated 1407 feet below sea level, making it the deepest point on earth. Due to intensive human water consumption, climatic changes, and evaporation the Dead Sea level is dropping at an alarming rate of 3 feet per year, causing many to fear it will disappear.

The finger of honor in England is indicated by two fingers (when displayed with the palm inward). This practice dates back to the Hundred Years' War: the French would typically cut off the fingers (those necessary for archery) of their English captives. The English in turn would show the two fingers to provoke the French enemy.

Computer scanning and editing of bank notes is highly controlled in order to foil counterfeiting attempts. Adobe Photoshop and certain scanners have built- in counterfeit deterrence systems, resulting in a warning message popping up should you try to access a currency image. It is reputed that certain patches are available to bypass these security measures.